vi.

1. 专攻；专门从事[（+in）]
   Dr. White specialized in children's diseases.

   怀特医生专治儿科疾病。

2. 【生】专化，特化
3. 详细说明

vt.

1. 使专门化；使特殊化
   specialized knowledge

   专门知识

2. 【生】使专化，使特化
3. 限定；特指；列举

v.

1. (often specialize in) concentrate on and become expert in a particular skill or area.
   ▸make a habit of engaging in.
2. Biology  adapt or set apart (an organ or part) to serve a special function.